Millie and I _______ classmates.

Luckily the man missed the high-speed train to Wenzhou, or he have been killed in the accident. [ ]

Floods in the upper reach of the River Nile ________ the rich soil in this area.

On the day before the party, Mr. Smith told his men to __________ no effort to make sure the guests enjoy themselves.[ ]

Have you known Dr Jackson for a long time—Yes，since she ________ the Chinese Society